minigbm: virtio-gpu: add more supported formats
There is a desire to use virtio-gpu + Android with kernel v4.4. Let's
make it like the vgem backend, which aligns widths and heights to
64-pixel boundaries to support LLVM requirements.
BUG=chromium:616275
TEST=no crashes when running Android with amd64-generic-cheets
Change-Id: I5640a0f9cc84260d30eecddd84307170fa41d2ce
Reviewed-on: https://chromium-review.googlesource.com/471879
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
diff --git a/virtio_gpu.c b/virtio_gpu.c
index 238c117..c4c3b19 100644
--- a/virtio_gpu.c
+++ b/virtio_gpu.c
@@ -8,18 +8,46 @@
#include "helpers.h"
#include "util.h"
-static const uint32_t supported_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 };
+#define MESA_LLVMPIPE_TILE_ORDER 6
+#define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER)
+
+static const uint32_t supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_XRGB8888, DRM_FORMAT_YVU420,
+ DRM_FORMAT_YVU420_ANDROID };
static int virtio_gpu_init(struct driver *drv)
{
return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
}
+static int virtio_gpu_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+ uint32_t flags)
+{
+ int ret = drv_dumb_bo_create(bo, ALIGN(width, MESA_LLVMPIPE_TILE_SIZE),
+ ALIGN(height, MESA_LLVMPIPE_TILE_SIZE), format, flags);
+ return ret;
+}
+
+static uint32_t virtio_gpu_resolve_format(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+ /*HACK: See b/28671744 */
+ return DRM_FORMAT_XBGR8888;
+ case DRM_FORMAT_FLEX_YCbCr_420_888:
+ return DRM_FORMAT_YVU420_ANDROID;
+ default:
+ return format;
+ }
+}
+
struct backend backend_virtio_gpu = {
.name = "virtio_gpu",
.init = virtio_gpu_init,
- .bo_create = drv_dumb_bo_create,
+ .bo_create = virtio_gpu_bo_create,
.bo_destroy = drv_dumb_bo_destroy,
.bo_import = drv_prime_bo_import,
.bo_map = drv_dumb_bo_map,
+ .resolve_format = virtio_gpu_resolve_format,
};